package com.example.test2018131379.controller;

import com.example.test2018131379.bean.UserBean;
import com.example.test2018131379.service.UserService;
import com.github.pagehelper.PageInfo;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.annotation.Resource;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Controller
public class UserController {
    @Resource
    UserService userService;

    //@RequestMapping("/users")
    public String showUsers(ModelMap modelMap){
        List<UserBean> userList = userService.getAllUser();
        System.out.println(userList.toString());
        modelMap.addAttribute("userList",userList);
        return "users";
    }
    @RequestMapping("/users")
    public String index(Model model, @RequestParam(defaultValue = "2") Integer pageNum, @RequestParam(defaultValue = "3") Integer pageSize){
        PageInfo<UserBean> pageInfo = userService.selectUser4Page(pageNum,pageSize);

        //4.使用model传参数回前端
        model.addAttribute("pageInfo",pageInfo);
        model.addAttribute("userList",pageInfo.getList());

        return "users";
    }

    @RequestMapping("addUser")
    @ResponseBody
    public Map addUser(UserBean userBean){
        Map<String,Object> map = new HashMap<String,Object>();
        int flag = userService.insertUser(userBean);
        if(flag == 1){
            map.put("msg","增加用户成功！");
            return map;
        }else{
            map.put("msg","增加用户失败！");
            return map;
        }
    }
    @RequestMapping(value = "/deleteUser+{id}")
    public String deleteUser(@PathVariable("id")String id, ModelMap modelMap){
        int flag = userService.deleteUser(id);
        List<UserBean> userList =  userService.getAllUser();
        modelMap.addAttribute("userList",userList);
        if (flag == 1){
            return "users";
        }else{
            return "error";
        }
    }

    @RequestMapping("/user+{id}")
    public String getUserById(@PathVariable("id") String id,ModelMap modelMap){
        UserBean userBean = userService.getUserById(id);
        modelMap.addAttribute("user",userBean);
        return "userInfo";
    }

    @RequestMapping("/modifyUser")
    @ResponseBody
    public Map updateUser(UserBean userBean){
        int flag = userService.updateUser(userBean);
        Map<String,Object> map = new HashMap<>();
        if (flag == 1){
            map.put("msg","修改信息成功");
            return map;
        }else{
            map.put("msg","修改信息失败");
            return map;
        }
    }
}
